对于平稳的趋势的描述，可以使用的动词或动词词组：

to hardly change

to have little change

to keep steady

to level off

to remain constant

to stay the same

表示程度的副词：

1. 程度较大：

considerably

dramatically

greatly

markedly

obviously

quickly

rapidly

sharply

significantly

suddenly

2. 程度较小：

slightly

gradually

slowly

steadily

时间的嵌入

嵌入时间时所使用的介词和介词词组：

in

from……to……

between…….and……

during……and……

at the start of ……

by the end of ……

over ……

at the end of ……

throughout ……

时间’s + 具体数据